code: def test_get_link_fn_from_wrong_str():
      with pytest.raises(ValueError):
          get_link_fn_from_str_or_fn("this_is_wrong")
  
imports: from pylibraft.common.handle import Handle
  from sklearn.linear_model import LinearRegression
  from cuml.datasets import make_regression
  from cuml.testing.utils import ClassEnumerator
  from cuml.explainer.common import model_func_call
  from cuml.explainer.common import link_dict
  from cuml.explainer.common import get_tag_from_model_func
  from cuml.explainer.common import get_link_fn_from_str_or_fn
  from cuml.explainer.common import get_handle_from_cuml_model_func
  from cuml.explainer.common import get_dtype_from_model_func
  from cuml.explainer.common import get_cai_ptr
  from cuml import PCA
  from cuml import LinearRegression
  import pytest
  from cuml.internals.safe_imports import cpu_only_import
  import cuml
  from cuml.internals.safe_imports import gpu_only_import
label_desc: Use image node_id 9 for calling a global function with example usage: test_get_link_fn_from_wrong_str() without return types